Home / 12,555.53-17,283.13-10,853.25

Finding the Fourth Proportional to 12,555.53, 17,283.13 and 10,853.25

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Solution

The fourth proportional to 12,555.53, 17,283.13 and 10,853.25 is: 14,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.53 : 17,283.13 = 10,853.25 : x
  2. Step 2: Convert to fraction form
    12,555.53/17,283.13 = 10,853.25/x
  3. Step 3: Cross multiply
    12,555.53x = 17,283.13 × 10,853.25
  4. Step 4: Simplify right side
    12,555.53x = 187,578,130.67
  5. Step 5: Solve for x
    x = 187,578,130.67/12,555.53
  6. Step 6: Final answer
    x = 14,939.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.